Exhibit 21.1
SUBSIDIARIES OF SWIFT TRANSPORTATION COMPANY
| 1. | Swift Transportation Co., LLC, a Delaware limited liability company | |
| 2. | Swift Transportation Co. of Arizona, LLC, a Delaware limited liability company | |
| 3. | Swift Leasing Co., LLC, a Delaware limited liability company | |
| 4. | Sparks Finance LLC, a Delaware limited liability company | |
| 5. | Interstate Equipment Leasing, LLC, a Delaware limited liability company | |
| 6. | Common Market Equipment Co., LLC, a Delaware limited liability company | |
| 7. | Swift Transportation Co. of Virginia, LLC, a Delaware limited liability company | |
| 8. | Swift Transportation Services, LLC, a Delaware limited liability company | |
| 9. | M.S. Carriers, LLC, a Delaware limited liability company | |
| 10. | Swift Logistics, S.A. de C.V., a Mexican corporation | |
| 11. | Trans-Mex, Inc. S.A. de C.V., a Mexican corporation | |
| 12. | Mohave Transportation Insurance Company, an Arizona corporation | |
| 13. | Swift Intermodal, LLC, a Delaware limited liability company | |
| 14. | Swift International S.A. de C.V., a Mexican corporation | |
| 15. | Estrella Distributing, LLC, a Delaware limited liability company | |
| 16. | TMX Administración, S.A. de C.V., a Mexican corporation | |
| 17. | Swift Receivables Company II, LLC, a Delaware limited liability company | |
| 18. | Red Rock Risk Retention Group, Inc., an Arizona corporation | |
| 19. | Swift Academy, LLC, a Delaware limited liability company | |
| 20. | Swift Services Holdings, Inc., a Delaware corporation | |
| 21. | Swift Logistics, LLC, a Delaware limited liability company | |
